Jenkins webhook sends data as standard params

Jenkins 1.4 used to send the notification using application/json

Jenkins 1.5 now sends the data using application/x-www-form-urlencoded

The code base can now distinguish between the two and handle either.

[Fixes #54450214]
Add Dave and Matt to pairs file
Merge pull request #26 from dgoddard/master

Jenkins webhook sends data as standard params